... : Has hardened, grinding of the old paint,YJ-780 dl-component the priming, YJ-760 Single primer and all kinds of ... produced possesses good hardness, good gloss, good resistance ,good hiding; Two-component, single-level system use in advanced bodywork painting make-up ... .SubstrateHas hardened, grinding of the old paint, YJ-780 di-component the priming, YJ-760 Single primer and all kinds of ...